Details of delusional parasitosis vary among sufferers, but it is most commonly described as involving perceived parasites crawling upon or burrowing into the skin, sometimes accompanied by an actual physical sensation (known as formication). Sufferers may injure themselves in attempts to be rid of the parasites.
Perhaps one of the earliest trials in 1982, gave participants a dose of THC (1 mg/kg), followed by either a dose of valium or of CBD (0.5 mg/kg). The results suggested that CBD had a counteractive effect on THC stimulated anxiety.
& I found this about the dosage for Xanax. Xanax taken for anxiety disorder: The usual starting dose of Xanax is 0.25 to 0.5 milligram taken 3 times a day. The dose may be increased every 3 to 4 days to a maximum daily dose of 4 milligrams, divided into smaller doses.anax taken for anxiety disorder: The usual starting dose of Xanax is 0.25 to 0.5 milligram taken 3 times a day. The dose may be increased every 3 to 4 days to a maximum daily dose of 4 milligrams, divided into smaller doses.